📄 vister.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<html >
<head>
<meta >
<title>计数器</title>
</head>
<body>
<p align="center"><font size="5">计数器</font></p>
<%
request.setCharacterEncoding("GB2312");
request.getSession(true);
String counter=(String)application.getAttribute("counter");
if(counter!=null)
{
int int_counter=Integer.parseInt(counter);
int_counter+=1;
String s_counter=Integer.toString(int_counter);
application.setAttribute("counter",s_counter);
}
else
{
application.setAttribute("counter","1");
}
out.println("你好，欢迎第"+counter+"朋友访问本网站<br>");
out.println("你是访问本网站的第"+counter+"位朋友!");
%>
</body>
</html>
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